October is close to Newcastle's year-round average, with average highs near 21.9°C and lows around 15.7°C (mean 18.8°C). It is one of the drier months, averaging 72 mm of rainfall and 69% relative humidity across the period.
October is close to Newcastle's year-round average. Across 45 years of records, the warmest Octobers in Newcastle were 2015 and 2025 — when the month averaged 21°C — while the coldest was 1982 at 16.9°C. Typical October days reach 21.9°C with nights near 15.7°C. The long-term trend is warming, about 0.4°C per decade.
October is one of the drier months in Newcastle, averaging 72 mm of rainfall. The wettest October on record was 2004 with 208 mm, while the driest was 1988 at 5 mm.
Relative humidity in Newcastle during October averages 69%. The most humid October was 1999 at 78%, and the least humid was 2013 at 60%.
October receives about 5.8 kWh/m²/day of solar energy in Newcastle. The sunniest October was 2013 at 6.8 kWh/m²/day, and the cloudiest was 2010 at 4.8.
Average wind speed in Newcastle during October is 2.9 m/s. The windiest October was 1992 at 3.4 m/s, while the calmest were 2011, 2019 and 2025, among others at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.3°C | 18.2°C | 19.0°C | 19.3°C | 19.5°C | +1.2°C |
| Avg High | 21.4°C | 21.2°C | 22.1°C | 22.4°C | 22.6°C | +1.2°C |
| Avg Low | 15.1°C | 15.2°C | 15.9°C | 16.1°C | 16.5°C | +1.4°C |
| Avg Rain | 95 mm | 58 mm | 70 mm | 60 mm | 83 mm | -12 mm |
October temperatures in Newcastle have risen by about 1.5°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 9.9°C (2014) to a record high of 33.3°C (1988).
Rainfall in October is one of the drier months, averaging 72 mm, with a wettest year of 208 mm.
A good time to visit Newcastle
October is a good time to visit Newcastle, with days averaging 21.9°C and nights around 15.7°C (mean 18.8°C, close to Newcastle's yearly average) and moderate rainfall. December and March are marginally more temperate, but October still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 24.6°C | 21.0°C | 17.3°C | 31.6°C | 13.3°C | 40 mm | 66% | 2.6 m/s | 6 |
| 2024 | 22.4°C | 19.4°C | 16.5°C | 27.7°C | 13.4°C | 45 mm | 68% | 2.9 m/s | 5.5 |
| 2023 | 23.6°C | 19.9°C | 16.3°C | 29.9°C | 13.5°C | 56 mm | 62% | 3 m/s | 6.6 |
| 2022 | 20.7°C | 18.4°C | 16.2°C | 24.3°C | 12.6°C | 122 mm | 77% | 2.9 m/s | 4.9 |
| 2021 | 22.1°C | 18.9°C | 15.7°C | 27.0°C | 13.0°C | 81 mm | 70% | 2.8 m/s | 6.1 |
| 2020 | 22.4°C | 19.5°C | 16.7°C | 27.4°C | 14.1°C | 155 mm | 74% | 2.7 m/s | 5.5 |
| 2019 | 22.8°C | 19.4°C | 16.0°C | 29.7°C | 13.6°C | 26 mm | 66% | 2.6 m/s | 6.5 |
| 2018 | 21.3°C | 18.9°C | 16.4°C | 26.5°C | 13.2°C | 122 mm | 77% | 3.1 m/s | 5.1 |
| 2017 | 23.0°C | 20.1°C | 17.1°C | 29.9°C | 14.2°C | 84 mm | 71% | 2.8 m/s | 5.5 |
| 2016 | 22.2°C | 18.8°C | 15.4°C | 28.4°C | 12.2°C | 63 mm | 62% | 3.3 m/s | 6 |
| 2015 🔥 | 24.4°C | 21.0°C | 17.6°C | 32.7°C | 14.9°C | 30 mm | 68% | 2.7 m/s | 5.9 |
| 2014 | 23.2°C | 19.6°C | 16.0°C | 30.6°C | 9.9°C | 49 mm | 69% | 2.8 m/s | 6.2 |
| 2013 | 24.1°C | 20.2°C | 16.3°C | 29.7°C | 13.1°C | 44 mm | 60% | 2.9 m/s | 6.8 |
| 2012 | 21.7°C | 18.3°C | 15.0°C | 29.3°C | 10.7°C | 17 mm | 65% | 2.8 m/s | 6.3 |
| 2011 | 20.1°C | 17.6°C | 15.2°C | 25.9°C | 11.8°C | 79 mm | 75% | 2.6 m/s | 5.1 |
| 2010 | 21.4°C | 18.8°C | 16.2°C | 26.2°C | 11.0°C | 85 mm | 73% | 3.2 m/s | 4.8 |
| 2009 | 21.2°C | 18.5°C | 15.8°C | 29.6°C | 13.0°C | 95 mm | 69% | 3.1 m/s | 5.4 |
| 2008 | 22.3°C | 19.1°C | 15.9°C | 30.0°C | 12.2°C | 76 mm | 73% | 2.9 m/s | 5.7 |
| 2007 | 23.3°C | 19.7°C | 16.2°C | 28.3°C | 12.5°C | 30 mm | 69% | 2.6 m/s | 6.2 |
| 2006 | 22.2°C | 19.0°C | 15.8°C | 29.2°C | 13.3°C | 22 mm | 68% | 3.1 m/s | 5.8 |
| 2005 | 23.1°C | 20.0°C | 16.9°C | 28.7°C | 13.7°C | 76 mm | 70% | 2.9 m/s | 5.3 |
| 2004 🌧️ | 21.1°C | 18.5°C | 15.8°C | 29.9°C | 14.0°C | 208 mm | 73% | 3.1 m/s | 5.8 |
| 2003 | 20.5°C | 17.8°C | 15.1°C | 25.4°C | 12.1°C | 85 mm | 70% | 3.1 m/s | 5.5 |
| 2002 | 23.3°C | 19.7°C | 16.1°C | 29.2°C | 13.1°C | 8 mm | 62% | 2.9 m/s | 6.1 |
| 2001 | 22.1°C | 18.8°C | 15.5°C | 27.6°C | 13.0°C | 42 mm | 63% | 2.9 m/s | 6.1 |
| 2000 | 21.9°C | 18.8°C | 15.8°C | 29.8°C | 12.5°C | 58 mm | 68% | 2.9 m/s | 5.4 |
| 1999 | 21.8°C | 19.0°C | 16.2°C | 26.3°C | 12.6°C | 131 mm | 78% | 2.7 m/s | 5.3 |
| 1998 | 20.7°C | 17.9°C | 15.1°C | 25.4°C | 10.8°C | 71 mm | 74% | 2.8 m/s | 5.9 |
| 1997 | 22.0°C | 18.9°C | 15.8°C | 28.8°C | 13.1°C | 56 mm | 70% | 3.1 m/s | 6 |
| 1996 | 21.1°C | 18.0°C | 14.9°C | 26.7°C | 11.5°C | 40 mm | 71% | 2.7 m/s | 5.8 |
| 1995 | 21.1°C | 18.0°C | 14.9°C | 27.5°C | 10.9°C | 37 mm | 72% | 2.8 m/s | 5.7 |
| 1994 | 21.4°C | 17.9°C | 14.4°C | 28.2°C | 11.3°C | 38 mm | 64% | 3 m/s | 6 |
| 1993 | 20.7°C | 17.8°C | 14.9°C | 27.2°C | 12.4°C | 59 mm | 70% | 2.9 m/s | 5.6 |
| 1992 | 20.2°C | 17.6°C | 15.1°C | 25.8°C | 12.1°C | 48 mm | 71% | 3.4 m/s | 5.4 |
| 1991 | 22.5°C | 19.2°C | 15.9°C | 29.5°C | 14.5°C | 25 mm | 67% | 2.7 m/s | 6.1 |
| 1990 | 20.0°C | 17.2°C | 14.4°C | 28.4°C | 11.7°C | 74 mm | 76% | 3.2 m/s | 5.6 |
| 1989 | 22.3°C | 18.8°C | 15.3°C | 26.0°C | 12.9°C | 39 mm | 63% | 3 m/s | 6.1 |
| 1988 | 24.2°C | 20.1°C | 15.9°C | 33.3°C | 13.8°C | 5 mm | 61% | 2.6 m/s | 6.6 |
| 1987 | 20.3°C | 17.6°C | 14.9°C | 26.0°C | 11.9°C | 146 mm | 73% | 3.2 m/s | 5.3 |
| 1986 | 21.4°C | 18.1°C | 14.7°C | 27.7°C | 12.4°C | 47 mm | 64% | 2.8 m/s | 6.1 |
| 1985 | 20.5°C | 17.8°C | 15.2°C | 25.2°C | 12.5°C | 186 mm | 76% | 2.9 m/s | 5.5 |
| 1984 | 21.4°C | 18.3°C | 15.2°C | 27.9°C | 10.9°C | 93 mm | 70% | 2.7 m/s | 5.4 |
| 1983 | 21.1°C | 18.3°C | 15.6°C | 29.1°C | 11.4°C | 117 mm | 74% | 2.8 m/s | — |
| 1982 ❄️ | 20.0°C | 16.9°C | 13.8°C | 27.4°C | 10.0°C | 76 mm | 72% | 2.9 m/s | — |
| 1981 | 21.7°C | 18.6°C | 15.4°C | 28.4°C | 11.8°C | 147 mm | 71% | 2.7 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 21.9°C with lows near 15.7°C (mean 18.8°C), based on 45 years of NASA POWER data.
October averages 72 mm of rainfall in Newcastle, one of the drier months. The wettest on record was 208 mm in 2004.
The hottest October reached 33.3°C in 1988. The coldest dipped to 9.9°C in 2014.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.5°C. Daytime highs moved from 20.9°C to 22.7°C and overnight lows from 15°C to 16.4°C over the same span.
October is close to Newcastle's year-round average and one of the drier months, so plan for around 21.9°C daytime highs and 15.7°C at night.
Not quite — October is the 6th coolest month in Newcastle, averaging 18.8°C.
For October in Newcastle, pack light layers you can adjust through the day, with typical highs of 21.9°C and lows of 15.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 69% — moderately humid.
Average wind speed in October is 2.9 m/s. The windiest October on record averaged 3.4 m/s (1992).
The wettest October on record was 2004 with 208 mm. On average, October sees 72 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Newcastle behaves each October, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for October specifically, along with year-by-year records and how the month has changed over the decades.
